Method for precoating a filter with a mixture of anion and catio

Details Method for precoating a filter with a mixture of anion and catio Method for precoating a filter with a mixture of anion and catio

1974-07-29

1977-02-08

Smith, Ronald H.

Coating processes

Foraminous product produced

Filter, sponge, or foam

210 75, 210193, 260 21R, B01D 3702, B05D 500

Patent

active

040073017

ABSTRACT:
An improved method for precoating a filter with a mixture of anion and cation exchange resin particles in the size range of about 60 to 400 mesh is provided, wherein a floc of anion and cation exchange resins is formed by mixing these resins in aqueous suspension at elevated temperatures in the range of about 100.degree. to 212.degree. F. and coating these resins onto a filter.

REFERENCES:
patent: 2961417 (1960-11-01), Small
patent: 3250703 (1966-05-01), Levendusky
patent: 3250704 (1966-05-01), Levendusky
patent: 3250705 (1966-05-01), Levendusky
patent: 3262891 (1966-07-01), Abrams
patent: 3339743 (1967-09-01), Bealle
patent: 3389080 (1968-06-01), Arden
patent: 3558744 (1971-01-01), Michaels et al.
patent: 3645922 (1972-02-01), Weiss et al.
patent: 3674686 (1972-07-01), Brimmer et al.

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